20823314 has 4 divisors (see below), whose sum is σ = 31234974. Its totient is φ = 10411656.

The previous prime is 20823311. The next prime is 20823331. The reversal of 20823314 is 41332802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16265089 + 4558225 = 4033^2 + 2135^2 .

It is a super-2 number, since 2×20823314² = 867220811885192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20823314.

It is not an unprimeable number, because it can be changed into a prime (20823311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5205827 + ... + 5205830.

Almost surely, 2^20823314 is an apocalyptic number.

20823314 is a deficient number, since it is larger than the sum of its proper divisors (10411660).

20823314 is a wasteful number, since it uses less digits than its factorization.

20823314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411659.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20823314 is about 4563.2569509069. The cubic root of 20823314 is about 275.1164861883.

The spelling of 20823314 in words is "twenty million, eight hundred twenty-three thousand, three hundred fourteen".